Science

In terms of size, the Earth ranks fifth among the planets in the solar system.

Liver produces bile.

In addition to the stellar halo, our galaxy is also surrounded by a halo made of hot gas, which is much more extensive than the stellar halo.

Probably in 365 BC, the Chinese astronomer Gan De managed to observe Ganymede with the naked eye.

The Earth orbits the sun in an elliptical orbit in 365.235 days.

The element that distinguishes fungi from animal is the presence of cell walls and vacuoles, which in turn brings them closer to plants.

There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.

NASA employs over 17,000 people.

Pure high-quality silver contains at least 99.9 percent of this metal.

NASA officially opened on October 1st, 1958.